Home / 20,604.14-30,878.87-10,740.77

Finding the Fourth Proportional to 20,604.14, 30,878.87 and 10,740.77

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Solution

The fourth proportional to 20,604.14, 30,878.87 and 10,740.77 is: 16,096.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,604.14 : 30,878.87 = 10,740.77 : x
  2. Step 2: Convert to fraction form
    20,604.14/30,878.87 = 10,740.77/x
  3. Step 3: Cross multiply
    20,604.14x = 30,878.87 × 10,740.77
  4. Step 4: Simplify right side
    20,604.14x = 331,662,840.53
  5. Step 5: Solve for x
    x = 331,662,840.53/20,604.14
  6. Step 6: Final answer
    x = 16,096.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.